package oop.part4.exer4;

public class Account {

  private double balance;

  public Account(double init_balance) {
    this.balance = init_balance;
  }

  public double getBalance() {
    return balance;
  }

  // 存钱操作
  public void deposit(double amt) {
    if (amt > 0) {
      balance += amt;
      System.out.println("存钱成功");
    }
  }
  // 取钱操作
  public void withdraw(double amt) {
    if (balance >= amt) {
      balance -= amt;
      System.out.println("取钱成功");
    } else {
      System.out.println("余额不足");
    }
  }
}
